After two whole games that do not count, Raiders' defensive end Kamerion Wimbley has 4.0 sacks to his credit -- tops in the NFL. Wimbley was acquired in the off-season from the Cleveland Browns in exchange for a third-round draft pick.

Wimbley scored all four of these sacks in Saturday night's 32-17 win over the Chicago Bears. In fact, they were all in the first half.

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"I got one early and I was energized," Wimbley told the San Francisco Chronicle. "I was able to use some successful moves one-on-one, and I came free. I have never had four sacks in a half before."

But he'll try again Saturday night at 6 p.m. PDT, when the Raiders square off against the San Francisco 49ers at the Oakland Coliseum for their third preseason game.